F E A T U R E
Legrand’ s Keor FLEX UPS
Planning for the future: Scalability and agility
In the fast-moving world of AI workloads and high-density computing, UPS systems must be able to adapt quickly to increasing power demands. Modular and highly adaptable UPS systems enable data centres to scale capacity incrementally. This can help reduce upgrade costs and avoid the need for overprovisioning from the start or full system replacement when power needs grow.
As power requirements evolve, additional modules can be added based on actual load needs. This future-ready approach supports a pay-as-you-grow model, which is essential for keeping pace with the demands of today’ s everevolving digital infrastructure.
One of the key benefits of modular UPS systems is that they allow operators to maintain the UPS at optimal load levels, typically between 40 – 80 %, which enhances system performance and ensures the UPS operates at its highest efficiency levels.
Batteries: The overlooked cost driver
Batteries are crucial for UPS performance, but they can significantly impact TCO. Their initial CapEx can be high and lead to even higher operational expenses( OpEx) throughout their lifetime due to factors such as charging, monitoring, replacement and disposal. In addition, there is the cost associated with the space they occupy.
Advanced UPS systems that offer advanced battery management and control can help minimise these batteryrelated costs by optimising energy consumption and the required capacity, thereby reducing the number of battery blocks needed. Integrating monitoring and diagnostic systems with Battery Management Systems( BMS) that are included with the batteries, as with Li-Ion batteries, can lower maintenance costs, prevent battery failures and enhance battery longevity.
Sustainability, compliance and smart grid integration
Efficient UPSs contribute to a lower PUE and assist in meeting certifications such as ISO 50001, Energy Star for Data Centers, and Greenhouse Gas Protocol Scope 2 reporting. This efficiency is particularly important for Environmental, Social and Governance( ESG) objectives, as a more efficient UPS at partial loads results in less energy waste and lower carbon emissions. Higher efficiency also reduces heat output, leading to decreased cooling requirements.
Furthermore, modern UPS systems are designed to integrate seamlessly with smart grid environments. With capabilities such as fast frequency regulation and peak shaving, they help data centres stabilise power usage – particularly
Mark Murphy – European Commercial Director for UPS at Legrand
From a capacity planning perspective, modular UPS architecture provides dual scalability: not only can power be increased by adding power modules, but system-wide capacity can also be expanded through parallelable features, allowing for seamless adaptation to growth while maintaining resilience and energy efficiency.
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